1322213122212 has 36 divisors (see below), whose sum is σ = 3115408106160. Its totient is φ = 436458658512.

The previous prime is 1322213122199. The next prime is 1322213122247. The reversal of 1322213122212 is 2122213122231.

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5065662 + ... + 5320277.

It is an arithmetic number, because the mean of its divisors is an integer number (86539114060).

Almost surely, 2^{1322213122212} is an apocalyptic number.

1322213122212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1322213122212 is an abundant number, since it is smaller than the sum of its proper divisors (1793194983948).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1322213122212 is a wasteful number, since it uses less digits than its factorization.

1322213122212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10386152 (or 10386047 counting only the distinct ones).

The product of its digits is 1152, while the sum is 24.

Adding to 1322213122212 its reverse (2122213122231), we get a palindrome (3444426244443).

The spelling of 1322213122212 in words is "one trillion, three hundred twenty-two billion, two hundred thirteen million, one hundred twenty-two thousand, two hundred twelve".